Two people were killed Sunday night after a shooting in downtown Atlanta, two others were injured. The incident took place at Masquerade within Underground Atlanta.

VIDEO: Two people were killed Sunday night after a shooting in downtown Atlanta, two others were injured. The incident took place at Masquerade within Underground Atlanta. Police want to speak with those who were in the club when the shooting took place. @FOX5Atlanta#fox5atlpic.twitter.com/E3aVcGM28M

Gunfire rang out during a concert at Underground Atlanta's Masquerade club, where rapper Cousin Stizz was expected to perform on Sunday night. Local police are asking those in attendance to come forward with any information.